Science review

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Across
  1. 3. the Earth has 4 of these
  2. 5. animals that have scales
  3. 7. a group of animals
  4. 9. animals that make milk
  5. 12. when you find something new
  6. 13. animals that have two lives
  7. 15. our planet
  8. 16. moms and dads
  9. 19. to get bigger
  10. 20. animals that fly
  11. 21. all mammals have one of these
  12. 22. all fruits have these
Down
  1. 1. this revolves around the Earth
  2. 2. to make happen
  3. 3. the sun goes up
  4. 4. small things you can't see that make you sick
  5. 6. a tool that can see the stars
  6. 8. plants have these underground
  7. 10. a tool that can see germs
  8. 11. to go around something
  9. 14. when you make something new
  10. 17. the sun goes down
  11. 18. to turn